2D QR barcode wireless scanner, read screen barcode 1. Two-dimensional code: supports scanning one-dimensional and two-dimensional codes on paper, supports scanning one and two-dimensional codes on mobile phone screens, and cannot recognize 32-bit small and long barcode2. Scope of application: product code scanning, WeChat Alipay payment, reflective barcode, fold barcode3. Fast decoding: The scanner has a unique decoding technology that can accurately and quickly decode various one- and two-dimensional codes4. Screen scanning: It can scan the barcode of mobile phone and computer screen to make payment and payment more convenient and efficient. USB interface.5. Anti-seismic and anti-fall: can withstand free fall at a height of 2 meters and still be used normally